Generator / tune

Details for Pythia 6.427 z1-lep vs. 6.428

pp/ppbar → Z+Jet


Observable Reference Energy χ2+5% (6.427) Δ χ2+5% (6.428)
Underlying event
<pT>
ATLAS_2019_I1736531 13000 2.5* -1.2 1.3*
Underlying event
pT spectrum
ATLAS_2019_I1736531 13000 5.8* -1.8 4.0*
Generalized angularities
LHA λ10.5
CMS_2021_I1920187 13000 6.9 -1.9 5.0
Generalized angularities
LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.6 -0.70 1.9
Generalized angularities
Groomed LHA λ10.5
CMS_2021_I1920187 13000 4.9 -1.5 3.4
Generalized angularities
Groomed LHA λ10.5 (charged only)
CMS_2021_I1920187 13000 2.7 -0.80 1.9
Jet mass
Jet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Filtered jet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Pruned jet mass
CMS_2013_I1224539 7000 n/a - n/a
Jet mass
Trimmed jet mass
CMS_2013_I1224539 7000 n/a - n/a
Generalized angularities
Multiplicity λ00
CMS_2021_I1920187 13000 2.8* -0.60 2.2*
Generalized angularities
Groomed multiplicity λ00
CMS_2021_I1920187 13000 3.1* -0.70 2.4*
Generalized angularities
Multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 0.92* +0.020 0.94*
Generalized angularities
Groomed multiplicity λ00 (charged only)
CMS_2021_I1920187 13000 2.1* -0.10 2.0*
Jet pT
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
Jet pT ratio
CMS_2020_I1776758 13000 0.70* -0.070 0.63
CMS_2021_I1847230 8000 n/a - n/a
Generalized angularities
(pDT)2 λ20
CMS_2021_I1920187 13000 4.6 -1.00 3.6
Generalized angularities
(pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 1.9* -0.30 1.6*
Generalized angularities
Groomed (pDT)2 λ20
CMS_2021_I1920187 13000 5.5 -1.5 4.0
Generalized angularities
Groomed (pDT)2 λ20 (charged only)
CMS_2021_I1920187 13000 2.1* -0.50 1.6*
Generalized angularities
Thrust λ12
CMS_2021_I1920187 13000 9.3 -3.1 6.2
Generalized angularities
Thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.4 -0.80 1.6
Generalized angularities
Groomed thrust λ12
CMS_2021_I1920187 13000 5.5 -1.6 3.9
Generalized angularities
Groomed thrust λ12 (charged only)
CMS_2021_I1920187 13000 2.6 -0.80 1.8
Generalized angularities
Width λ11
CMS_2021_I1920187 13000 5.9 -1.7 4.2
Generalized angularities
Width λ11 (charged only)
CMS_2021_I1920187 13000 2.0 -0.60 1.4
Generalized angularities
Groomed width λ11
CMS_2021_I1920187 13000 4.6 -1.3 3.3
Generalized angularities
Groomed width λ11 (charged only)
CMS_2021_I1920187 13000 2.8 -0.90 1.9
Jet rapidity
ATLAS_2017_I1514251 13000 13 +3.0 16
ATLAS_2019_I1744201 8000 26* - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
Dijet
ΔR
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1847230 8000 n/a - n/a
Dijet
Δφ
ATLAS_2017_I1514251 13000 22 +3.0 25*
ATLAS_2020_I1788444 13000 n/a - n/a
ΔrelpT(jets)
CMS_2021_I1866118 13000 5.7 +0.50 6.2
Dijet
Δy
ATLAS_2020_I1788444 13000 n/a - n/a
Jet mass
Dijet mass
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
Dijet
pT
ATLAS_2020_I1788444 13000 n/a - n/a
Dijet
pT ratio to m
ATLAS_2020_I1788444 13000 n/a - n/a
Underlying event
Nch
ATLAS_2019_I1736531 13000 1.6* -0.30 1.3*
Jet Multiplicities
Jet multiplicity
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
njets_njets
ATLAS_2017_I1514251 13000 n/a - n/a
Underlying event
Scalar Σ(pT)
ATLAS_2019_I1736531 13000 1.7* 0 1.7*
pT Z
ATLAS_2020_I1788444 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
CMS_2020_I1837084 13000 37 +15 52
pT(Z) to pT(jet) ratio
ATLAS_2022_I2077570 13000 n/a - n/a
Dilepton
pT ratio
CMS_2020_I1776758 13000 0.062* +1.1 1.2
y Z
ATLAS_2020_I1788444 13000 n/a - n/a
ΔR (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
ΔRmin (jet, Z)
ATLAS_2022_I2077570 13000 n/a - n/a
Δφ (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
CMS_2021_I1866118 13000 6.3 -2.7 3.6
pT balance (jet, Z)
CMS_2021_I1866118 13000 7.6 -4.0 3.6
Δy (jet, Z)
ATLAS_2020_I1788444 13000 n/a - n/a
HT(Z+jets)
ATLAS_2017_I1514251 13000 n/a - n/a
ATLAS_2022_I2077570 13000 n/a - n/a
Δφ (dijet, Z)
CMS_2021_I1866118 13000 7.2 -0.70 6.5
pT balance (dijet, Z)
CMS_2021_I1866118 13000 7.0 -0.50 6.5

* several "n/a" histograms were excluded from the calculation



n/a indicates that the χ2 value is unavailable, typically due to mismatched binning between theoretical and MC histograms or other issues.



The page data is based on 1430 histograms.